My Husband was diagnosed with the same Dec. of 1999. They also only gave him 3 to 6 mos. to live. He went thru Chemo & Radiation. The Tumor is still there, but has not grown or decreased. The Drs. have no idea how long your Mom has. Nobody but God knows when you leave this Earth. My Husband takes Coenzyme Q10, Coenzyme A and a Multi Vitamin. There are others that you can take that would help the immune system and blood cells. However, my Husband won't take them. Giving your Mother hope & lots of love will help her lots. You are in our prayers.
Keep in touch. This message board is a life saver. It helps to keep in contact with people and get support.
Anna